Finding the Fourth Proportional to 2,551.48, 3,828.93 and 908.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.48 : 3,828.93 = 908.05 : x
2. Step 2: Convert to fraction form
   2,551.48/3,828.93 = 908.05/x
3. Step 3: Cross multiply
   2,551.48x = 3,828.93 × 908.05
4. Step 4: Simplify right side
   2,551.48x = 3,476,859.89
5. Step 5: Solve for x
   x = 3,476,859.89/2,551.48
6. Step 6: Final answer
   x = 1,362.68